Blue Cheese Caesar Salad

Name: Blue Cheese Caesar Salad
Ingredients: 1 tablespoon Champagne vinegar; 2 tablespoons freshly squeezed lemon juice; 1 1/2 teaspoons minced garlic; 1 egg yolk*; 1 tablespoon Dijon mustard; Dash Worcestershire sauce; 6 anchovy fillets (if watching salt intake, rinse and pat dry with paper towels); Pinch freshly ground pepper; 1 cup pure olive oil; About 1/4 cup crumbled Gorgonzola or other blue cheese, plus extra for garnish; 6 tablespoons freshly grated Parmesan, plus extra for garnish; 2 heads romaine lettuce, 1 head separated into leaves, 1 head thinly sliced; 1 head iceberg lettuce, shredded; 3/4 pound cooked, shredded chicken or cooked, peeled shrimp, optional